I'm poking around to see what might run this process under Windows 2000, but I'm on a very slow connection so let me give ya some info on checking out unfamiliar processes while I dig.
When you find a name in your process list that you're not familiar with, write down the name, then search your computer for that name. In this case, seacrh on "wmiprvse".
Once you locate the actual file, right click it and choose "Proerties". There should be a "Version" tab in this window, with entries for the maker and name of the process. This can let you know at least if it's a Microsoft service or a 3rd party service. Usually, is this process is from the bad guys, it will not show names in the fields on the "Version" tab, just garbage characters, or sometimes there will not even be a Version tab.
If you decide to delete one of these executables, search on the first part of the name without the "exe" or "dll" or whatever, because you may find copies of the offending file in the Prefetch directories with a different extension, that could be a sourde of re-infection.
G.
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There are only 10 kinds of people; those who understand binary and those who don't...